30490240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 81959040

約数和(自身を除く): 51468800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 71, 80, 88, 110, 122, 128, 142, 160, 176, 220, 244, 284, 305, 320, 352, 355, 440, 488, 568, 610, 640, 671, 704, 710, 781, 880, 976, 1136, 1220, 1342, 1408, 1420, 1562, 1760, 1952, 2272, 2440, 2684, 2840, 3124, 3355, 3520, 3904, 3905, 4331, 4544, 4880, 5368, 5680, 6248, 6710, 7040, 7808, 7810, 8662, 9088, 9760, 10736, 11360, 12496, 13420, 15620, 17324, 19520, 21472, 21655, 22720, 24992, 26840, 31240, 34648, 39040, 42944, 43310, 45440, 47641, 49984, 53680, 62480, 69296, 85888, 86620, 95282, 99968, 107360, 124960, 138592, 173240, 190564, 214720, 238205, 249920, 277184, 346480, 381128, 429440, 476410, 499840, 554368, 692960, 762256, 952820, 1385920, 1524512, 1905640, 2771840, 3049024, 3811280, 6098048, 7622560, 15245120, 30490240]

約数ペア:

[(1, 30490240), (2, 15245120), (4, 7622560), (5, 6098048), (8, 3811280), (10, 3049024), (11, 2771840), (16, 1905640), (20, 1524512), (22, 1385920), (32, 952820), (40, 762256), (44, 692960), (55, 554368), (61, 499840), (64, 476410), (71, 429440), (80, 381128), (88, 346480), (110, 277184), (122, 249920), (128, 238205), (142, 214720), (160, 190564), (176, 173240), (220, 138592), (244, 124960), (284, 107360), (305, 99968), (320, 95282), (352, 86620), (355, 85888), (440, 69296), (488, 62480), (568, 53680), (610, 49984), (640, 47641), (671, 45440), (704, 43310), (710, 42944), (781, 39040), (880, 34648), (976, 31240), (1136, 26840), (1220, 24992), (1342, 22720), (1408, 21655), (1420, 21472), (1562, 19520), (1760, 17324), (1952, 15620), (2272, 13420), (2440, 12496), (2684, 11360), (2840, 10736), (3124, 9760), (3355, 9088), (3520, 8662), (3904, 7810), (3905, 7808), (4331, 7040), (4544, 6710), (4880, 6248), (5368, 5680)]